Unit 2 Thinking out of the box Extended Reading 导学案-2023-2024学年高中英语牛津译林版（2020）选修第三册

X3U2 How the world got eyeglasses? Learning objectives: 1. To analyze the structure of this article; 2. To know the development of eyeglasses; 3. To appreciate the language feature of this article; 4. To acquire and apply some important language points. Step1:The development of eyeglasses About 2,000 years ago,→In the 1280s,...______________________________________ Step2:Analysis of the structure 1. Introduction--Para(s)._______:_______________________________________________ Main body -- Para(s)._______:_______________________________________________ Conclusion--Para(s)._______:________________________________________________ 2. Transitional sentence between two paragraphs: Para.1&2:___________________ Para.3&4:__________________ Para.4&5:___________________ Para.5&6:___________________ Para.6&7:__________________ Para.7&8:___________________ Para.8&9:___________________ Step3:Problems and Solutions(Match them together) A. Not yet B. Magnifying glasses C. Corrective lenses D. Spectacles with arms that could clip behind the ears 1. People suffer from poor vision 2. Bad focus and not having frames 3. Getting lenses to stay comfortably on the face 4. An ethical dilemma posed by the development of smart glassed Step4:Deep analysis 1. This drove the demand for reading glasses(L26-27). “This” :________________ 2. Spectacles were held on the face by tying threads to the frames and looping them over the ears(L32-33). “them”:______________________ 4. Advantages and disadvantages of smart glasses:_____________________________________ 3. Find out “however, although, unfortunately,event though” from this article and distinguish between main information and minor(次要的) information. Step5: Language appreciation 1. What are the greatest....the wheel?(L1-2) 2. If you disagree with...your eyes./Or, if you ...(L5-6) 3. Considering..., you may think that...(L11-12) 4. Indeed, reading while... the soup!(L29-30) 5. Oh,wait—you can’t,...enough.(L7) 6. Even then,th